Let's roll up our sleeves and solve this. We have 297 and we're going to multiply it by 400, essentially adding 297 to itself 400 times.
Step 1: 0 + 297 = 297
Step 2: 297 + 297 = 594
Step 3: 594 + 297 = 891
Step 4: 891 + 297 = 1188
Step 5: 1188 + 297 = 1485
Step 6: 1485 + 297 = 1782
Step 7: 1782 + 297 = 2079
Step 8: 2079 + 297 = 2376
Step 9: 2376 + 297 = 2673
Step 10: 2673 + 297 = 2970
Step 11: 2970 + 297 = 3267
Step 12: 3267 + 297 = 3564
Step 13: 3564 + 297 = 3861
Step 14: 3861 + 297 = 4158
Step 15: 4158 + 297 = 4455
Step 16: 4455 + 297 = 4752
Step 17: 4752 + 297 = 5049
Step 18: 5049 + 297 = 5346
Step 19: 5346 + 297 = 5643
Step 20: 5643 + 297 = 5940
Step 21: 5940 + 297 = 6237
Step 22: 6237 + 297 = 6534
Step 23: 6534 + 297 = 6831
Step 24: 6831 + 297 = 7128
Step 25: 7128 + 297 = 7425
Step 26: 7425 + 297 = 7722
Step 27: 7722 + 297 = 8019
Step 28: 8019 + 297 = 8316
Step 29: 8316 + 297 = 8613
Step 30: 8613 + 297 = 8910
Step 31: 8910 + 297 = 9207
Step 32: 9207 + 297 = 9504
Step 33: 9504 + 297 = 9801
Step 34: 9801 + 297 = 10098
Step 35: 10098 + 297 = 10395
Step 36: 10395 + 297 = 10692
Step 37: 10692 + 297 = 10989
Step 38: 10989 + 297 = 11286
Step 39: 11286 + 297 = 11583
Step 40: 11583 + 297 = 11880
Step 41: 11880 + 297 = 12177
Step 42: 12177 + 297 = 12474
Step 43: 12474 + 297 = 12771
Step 44: 12771 + 297 = 13068
Step 45: 13068 + 297 = 13365
Step 46: 13365 + 297 = 13662
Step 47: 13662 + 297 = 13959
Step 48: 13959 + 297 = 14256
Step 49: 14256 + 297 = 14553
Step 50: 14553 + 297 = 14850
Step 51: 14850 + 297 = 15147
Step 52: 15147 + 297 = 15444
Step 53: 15444 + 297 = 15741
Step 54: 15741 + 297 = 16038
Step 55: 16038 + 297 = 16335
Step 56: 16335 + 297 = 16632
Step 57: 16632 + 297 = 16929
Step 58: 16929 + 297 = 17226
Step 59: 17226 + 297 = 17523
Step 60: 17523 + 297 = 17820
Step 61: 17820 + 297 = 18117
Step 62: 18117 + 297 = 18414
Step 63: 18414 + 297 = 18711
Step 64: 18711 + 297 = 19008
Step 65: 19008 + 297 = 19305
Step 66: 19305 + 297 = 19602
Step 67: 19602 + 297 = 19899
Step 68: 19899 + 297 = 20196
Step 69: 20196 + 297 = 20493
Step 70: 20493 + 297 = 20790
Step 71: 20790 + 297 = 21087
Step 72: 21087 + 297 = 21384
Step 73: 21384 + 297 = 21681
Step 74: 21681 + 297 = 21978
Step 75: 21978 + 297 = 22275
Step 76: 22275 + 297 = 22572
Step 77: 22572 + 297 = 22869
Step 78: 22869 + 297 = 23166
Step 79: 23166 + 297 = 23463
Step 80: 23463 + 297 = 23760
Step 81: 23760 + 297 = 24057
Step 82: 24057 + 297 = 24354
Step 83: 24354 + 297 = 24651
Step 84: 24651 + 297 = 24948
Step 85: 24948 + 297 = 25245
Step 86: 25245 + 297 = 25542
Step 87: 25542 + 297 = 25839
Step 88: 25839 + 297 = 26136
Step 89: 26136 + 297 = 26433
Step 90: 26433 + 297 = 26730
Step 91: 26730 + 297 = 27027
Step 92: 27027 + 297 = 27324
Step 93: 27324 + 297 = 27621
Step 94: 27621 + 297 = 27918
Step 95: 27918 + 297 = 28215
Step 96: 28215 + 297 = 28512
Step 97: 28512 + 297 = 28809
Step 98: 28809 + 297 = 29106
Step 99: 29106 + 297 = 29403
Step 100: 29403 + 297 = 29700
Step 101: 29700 + 297 = 29997
Step 102: 29997 + 297 = 30294
Step 103: 30294 + 297 = 30591
Step 104: 30591 + 297 = 30888
Step 105: 30888 + 297 = 31185
Step 106: 31185 + 297 = 31482
Step 107: 31482 + 297 = 31779
Step 108: 31779 + 297 = 32076
Step 109: 32076 + 297 = 32373
Step 110: 32373 + 297 = 32670
Step 111: 32670 + 297 = 32967
Step 112: 32967 + 297 = 33264
Step 113: 33264 + 297 = 33561
Step 114: 33561 + 297 = 33858
Step 115: 33858 + 297 = 34155
Step 116: 34155 + 297 = 34452
Step 117: 34452 + 297 = 34749
Step 118: 34749 + 297 = 35046
Step 119: 35046 + 297 = 35343
Step 120: 35343 + 297 = 35640
Step 121: 35640 + 297 = 35937
Step 122: 35937 + 297 = 36234
Step 123: 36234 + 297 = 36531
Step 124: 36531 + 297 = 36828
Step 125: 36828 + 297 = 37125
Step 126: 37125 + 297 = 37422
Step 127: 37422 + 297 = 37719
Step 128: 37719 + 297 = 38016
Step 129: 38016 + 297 = 38313
Step 130: 38313 + 297 = 38610
Step 131: 38610 + 297 = 38907
Step 132: 38907 + 297 = 39204
Step 133: 39204 + 297 = 39501
Step 134: 39501 + 297 = 39798
Step 135: 39798 + 297 = 40095
Step 136: 40095 + 297 = 40392
Step 137: 40392 + 297 = 40689
Step 138: 40689 + 297 = 40986
Step 139: 40986 + 297 = 41283
Step 140: 41283 + 297 = 41580
Step 141: 41580 + 297 = 41877
Step 142: 41877 + 297 = 42174
Step 143: 42174 + 297 = 42471
Step 144: 42471 + 297 = 42768
Step 145: 42768 + 297 = 43065
Step 146: 43065 + 297 = 43362
Step 147: 43362 + 297 = 43659
Step 148: 43659 + 297 = 43956
Step 149: 43956 + 297 = 44253
Step 150: 44253 + 297 = 44550
Step 151: 44550 + 297 = 44847
Step 152: 44847 + 297 = 45144
Step 153: 45144 + 297 = 45441
Step 154: 45441 + 297 = 45738
Step 155: 45738 + 297 = 46035
Step 156: 46035 + 297 = 46332
Step 157: 46332 + 297 = 46629
Step 158: 46629 + 297 = 46926
Step 159: 46926 + 297 = 47223
Step 160: 47223 + 297 = 47520
Step 161: 47520 + 297 = 47817
Step 162: 47817 + 297 = 48114
Step 163: 48114 + 297 = 48411
Step 164: 48411 + 297 = 48708
Step 165: 48708 + 297 = 49005
Step 166: 49005 + 297 = 49302
Step 167: 49302 + 297 = 49599
Step 168: 49599 + 297 = 49896
Step 169: 49896 + 297 = 50193
Step 170: 50193 + 297 = 50490
Step 171: 50490 + 297 = 50787
Step 172: 50787 + 297 = 51084
Step 173: 51084 + 297 = 51381
Step 174: 51381 + 297 = 51678
Step 175: 51678 + 297 = 51975
Step 176: 51975 + 297 = 52272
Step 177: 52272 + 297 = 52569
Step 178: 52569 + 297 = 52866
Step 179: 52866 + 297 = 53163
Step 180: 53163 + 297 = 53460
Step 181: 53460 + 297 = 53757
Step 182: 53757 + 297 = 54054
Step 183: 54054 + 297 = 54351
Step 184: 54351 + 297 = 54648
Step 185: 54648 + 297 = 54945
Step 186: 54945 + 297 = 55242
Step 187: 55242 + 297 = 55539
Step 188: 55539 + 297 = 55836
Step 189: 55836 + 297 = 56133
Step 190: 56133 + 297 = 56430
Step 191: 56430 + 297 = 56727
Step 192: 56727 + 297 = 57024
Step 193: 57024 + 297 = 57321
Step 194: 57321 + 297 = 57618
Step 195: 57618 + 297 = 57915
Step 196: 57915 + 297 = 58212
Step 197: 58212 + 297 = 58509
Step 198: 58509 + 297 = 58806
Step 199: 58806 + 297 = 59103
Step 200: 59103 + 297 = 59400
Step 201: 59400 + 297 = 59697
Step 202: 59697 + 297 = 59994
Step 203: 59994 + 297 = 60291
Step 204: 60291 + 297 = 60588
Step 205: 60588 + 297 = 60885
Step 206: 60885 + 297 = 61182
Step 207: 61182 + 297 = 61479
Step 208: 61479 + 297 = 61776
Step 209: 61776 + 297 = 62073
Step 210: 62073 + 297 = 62370
Step 211: 62370 + 297 = 62667
Step 212: 62667 + 297 = 62964
Step 213: 62964 + 297 = 63261
Step 214: 63261 + 297 = 63558
Step 215: 63558 + 297 = 63855
Step 216: 63855 + 297 = 64152
Step 217: 64152 + 297 = 64449
Step 218: 64449 + 297 = 64746
Step 219: 64746 + 297 = 65043
Step 220: 65043 + 297 = 65340
Step 221: 65340 + 297 = 65637
Step 222: 65637 + 297 = 65934
Step 223: 65934 + 297 = 66231
Step 224: 66231 + 297 = 66528
Step 225: 66528 + 297 = 66825
Step 226: 66825 + 297 = 67122
Step 227: 67122 + 297 = 67419
Step 228: 67419 + 297 = 67716
Step 229: 67716 + 297 = 68013
Step 230: 68013 + 297 = 68310
Step 231: 68310 + 297 = 68607
Step 232: 68607 + 297 = 68904
Step 233: 68904 + 297 = 69201
Step 234: 69201 + 297 = 69498
Step 235: 69498 + 297 = 69795
Step 236: 69795 + 297 = 70092
Step 237: 70092 + 297 = 70389
Step 238: 70389 + 297 = 70686
Step 239: 70686 + 297 = 70983
Step 240: 70983 + 297 = 71280
Step 241: 71280 + 297 = 71577
Step 242: 71577 + 297 = 71874
Step 243: 71874 + 297 = 72171
Step 244: 72171 + 297 = 72468
Step 245: 72468 + 297 = 72765
Step 246: 72765 + 297 = 73062
Step 247: 73062 + 297 = 73359
Step 248: 73359 + 297 = 73656
Step 249: 73656 + 297 = 73953
Step 250: 73953 + 297 = 74250
Step 251: 74250 + 297 = 74547
Step 252: 74547 + 297 = 74844
Step 253: 74844 + 297 = 75141
Step 254: 75141 + 297 = 75438
Step 255: 75438 + 297 = 75735
Step 256: 75735 + 297 = 76032
Step 257: 76032 + 297 = 76329
Step 258: 76329 + 297 = 76626
Step 259: 76626 + 297 = 76923
Step 260: 76923 + 297 = 77220
Step 261: 77220 + 297 = 77517
Step 262: 77517 + 297 = 77814
Step 263: 77814 + 297 = 78111
Step 264: 78111 + 297 = 78408
Step 265: 78408 + 297 = 78705
Step 266: 78705 + 297 = 79002
Step 267: 79002 + 297 = 79299
Step 268: 79299 + 297 = 79596
Step 269: 79596 + 297 = 79893
Step 270: 79893 + 297 = 80190
Step 271: 80190 + 297 = 80487
Step 272: 80487 + 297 = 80784
Step 273: 80784 + 297 = 81081
Step 274: 81081 + 297 = 81378
Step 275: 81378 + 297 = 81675
Step 276: 81675 + 297 = 81972
Step 277: 81972 + 297 = 82269
Step 278: 82269 + 297 = 82566
Step 279: 82566 + 297 = 82863
Step 280: 82863 + 297 = 83160
Step 281: 83160 + 297 = 83457
Step 282: 83457 + 297 = 83754
Step 283: 83754 + 297 = 84051
Step 284: 84051 + 297 = 84348
Step 285: 84348 + 297 = 84645
Step 286: 84645 + 297 = 84942
Step 287: 84942 + 297 = 85239
Step 288: 85239 + 297 = 85536
Step 289: 85536 + 297 = 85833
Step 290: 85833 + 297 = 86130
Step 291: 86130 + 297 = 86427
Step 292: 86427 + 297 = 86724
Step 293: 86724 + 297 = 87021
Step 294: 87021 + 297 = 87318
Step 295: 87318 + 297 = 87615
Step 296: 87615 + 297 = 87912
Step 297: 87912 + 297 = 88209
Step 298: 88209 + 297 = 88506
Step 299: 88506 + 297 = 88803
Step 300: 88803 + 297 = 89100
Step 301: 89100 + 297 = 89397
Step 302: 89397 + 297 = 89694
Step 303: 89694 + 297 = 89991
Step 304: 89991 + 297 = 90288
Step 305: 90288 + 297 = 90585
Step 306: 90585 + 297 = 90882
Step 307: 90882 + 297 = 91179
Step 308: 91179 + 297 = 91476
Step 309: 91476 + 297 = 91773
Step 310: 91773 + 297 = 92070
Step 311: 92070 + 297 = 92367
Step 312: 92367 + 297 = 92664
Step 313: 92664 + 297 = 92961
Step 314: 92961 + 297 = 93258
Step 315: 93258 + 297 = 93555
Step 316: 93555 + 297 = 93852
Step 317: 93852 + 297 = 94149
Step 318: 94149 + 297 = 94446
Step 319: 94446 + 297 = 94743
Step 320: 94743 + 297 = 95040
Step 321: 95040 + 297 = 95337
Step 322: 95337 + 297 = 95634
Step 323: 95634 + 297 = 95931
Step 324: 95931 + 297 = 96228
Step 325: 96228 + 297 = 96525
Step 326: 96525 + 297 = 96822
Step 327: 96822 + 297 = 97119
Step 328: 97119 + 297 = 97416
Step 329: 97416 + 297 = 97713
Step 330: 97713 + 297 = 98010
Step 331: 98010 + 297 = 98307
Step 332: 98307 + 297 = 98604
Step 333: 98604 + 297 = 98901
Step 334: 98901 + 297 = 99198
Step 335: 99198 + 297 = 99495
Step 336: 99495 + 297 = 99792
Step 337: 99792 + 297 = 100089
Step 338: 100089 + 297 = 100386
Step 339: 100386 + 297 = 100683
Step 340: 100683 + 297 = 100980
Step 341: 100980 + 297 = 101277
Step 342: 101277 + 297 = 101574
Step 343: 101574 + 297 = 101871
Step 344: 101871 + 297 = 102168
Step 345: 102168 + 297 = 102465
Step 346: 102465 + 297 = 102762
Step 347: 102762 + 297 = 103059
Step 348: 103059 + 297 = 103356
Step 349: 103356 + 297 = 103653
Step 350: 103653 + 297 = 103950
Step 351: 103950 + 297 = 104247
Step 352: 104247 + 297 = 104544
Step 353: 104544 + 297 = 104841
Step 354: 104841 + 297 = 105138
Step 355: 105138 + 297 = 105435
Step 356: 105435 + 297 = 105732
Step 357: 105732 + 297 = 106029
Step 358: 106029 + 297 = 106326
Step 359: 106326 + 297 = 106623
Step 360: 106623 + 297 = 106920
Step 361: 106920 + 297 = 107217
Step 362: 107217 + 297 = 107514
Step 363: 107514 + 297 = 107811
Step 364: 107811 + 297 = 108108
Step 365: 108108 + 297 = 108405
Step 366: 108405 + 297 = 108702
Step 367: 108702 + 297 = 108999
Step 368: 108999 + 297 = 109296
Step 369: 109296 + 297 = 109593
Step 370: 109593 + 297 = 109890
Step 371: 109890 + 297 = 110187
Step 372: 110187 + 297 = 110484
Step 373: 110484 + 297 = 110781
Step 374: 110781 + 297 = 111078
Step 375: 111078 + 297 = 111375
Step 376: 111375 + 297 = 111672
Step 377: 111672 + 297 = 111969
Step 378: 111969 + 297 = 112266
Step 379: 112266 + 297 = 112563
Step 380: 112563 + 297 = 112860
Step 381: 112860 + 297 = 113157
Step 382: 113157 + 297 = 113454
Step 383: 113454 + 297 = 113751
Step 384: 113751 + 297 = 114048
Step 385: 114048 + 297 = 114345
Step 386: 114345 + 297 = 114642
Step 387: 114642 + 297 = 114939
Step 388: 114939 + 297 = 115236
Step 389: 115236 + 297 = 115533
Step 390: 115533 + 297 = 115830
Step 391: 115830 + 297 = 116127
Step 392: 116127 + 297 = 116424
Step 393: 116424 + 297 = 116721
Step 394: 116721 + 297 = 117018
Step 395: 117018 + 297 = 117315
Step 396: 117315 + 297 = 117612
Step 397: 117612 + 297 = 117909
Step 398: 117909 + 297 = 118206
Step 399: 118206 + 297 = 118503
Step 400: 118503 + 297 = 118800

So, 297*400 = 118800